How much RAM does the Dell OptiPlex 3090 Ultra support?

The OptiPlex 3090 Ultra supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the OptiPlex 3090 Ultra use?

It uses DDR4 SODIMM memory modules.

Compatible drive types: NVMe M.2 2230 (PCIe Gen 4) SSD, NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" SSD.

Guaranteed-compatible DDR4 SODIMM upgrades for the Dell OptiPlex 3090 Ultra, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 3090 Ultra — matched to its drive bays and slots.

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

This option is out of stock.

This option is out of stock.

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Guaranteed-compatible DDR4 SODIMM upgrades for the Dell OptiPlex 3090 Ultra, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 3090 Ultra — matched to its drive bays and slots.

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

This option is out of stock.

This option is out of stock.

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.